<div *ngFor="let product of products" class="col">
  <div class="img-thumbnail">
    <img src="http://placehold.it/320x150">
    <div class="caption">
      <h4 class="pull-right">{{product.price}}元</h4>
      <h4><a>{{product.title}}</a></h4>
      <p>{{product.desc}}</p>
    </div>
    <div>
      <app-stars></app-stars>
    </div>
  </div>
</div>
